This isn't neccessarily true. Your introduction can still make sense without the hook, and the information inside the introduction part should really not directly depend on the hook to explain them, they should either be self explanatory, or you should explain them there.
Hopefully this helps!
Answer: Perhaps
Explanation:
Definitely we can go to the movies but its not likely doesn't make sense neither does probably so its perhaps. hope this helps
the author jay bennett used flashback when she kept referencing the car accident with jamie